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ANSI/IEEE Std 802.1B, 1995 edition (Incorporating ANSI/IEEE Stds 802.1B-1992 and 802.1k-1993) (Adopted by ISO/IEC and redesignated as ISO/IEC 15802-2: 1995) Information technology— Telecommunications and information exchange between systems— Local and metropolitan area networks— Common speciﬁcations— Part 2: LAN/MAN management Adopted by the ISO/IEC and redesignated as ISO/IEC 15802-2: 1995 Sponsor LAN/MAN Standards Committee of the IEEE Computer Society

Abstract: Services and protocol elements that permit the exchange of management information between stations attached to ISO/IEC standard local and metropolitan area networks are defined. The standard includes the specification of managed objects that permit the operation of the protocol elements to be remotely managed. In addition, an architecture for station discovery and the dynam- ic control of event forwarding is defined. Services and protocols that support station discovery and the dynamic control of event forwarding are defined. Keywords: management event forwarding; local area networks, management; metropolitan area networks, The Institute of Electrical and Electronics Engineers, Inc. 345 East 47th Street, New York, NY 10017-2394, USA Copyright All rights reserved. Published 1995. Printed in the United States of America. 1995 by the Institute of Electrical and Electronics Engineers, Inc. ISBN 1-55937-501-9 No part of this publication may be reproduced in any form, in an electronic retrieval system or otherwise, without the prior written permission of the publisher. DATE TBD SH94259

ANSI/IEEE Std 802.1B, 1995 Edition IEEE Standards documents are developed within the Technical Committees of the IEEE Societies and the Standards Coordinating Committees of the IEEE Standards Board. Members of the committees serve voluntarily and without compensation. They are not necessarily members of the Institute. The standards developed within IEEE represent a consensus of the broad expertise on the subject within the Institute as well as those activities outside of IEEE that have expressed an interest in partici- pating in the development of the standard. Use of an IEEE Standard is wholly voluntary. The existence of an IEEE Standard does not imply that there are no other ways to produce, test, measure, purchase, mar- ket, or provide other goods and services related to the scope of the IEEE Standard. Furthermore, the viewpoint expressed at the time a standard is approved and issued is subject to change brought about through developments in the state of the art and comments received from users of the standard. Every IEEE Standard is subjected to review at least every ﬁve years for revision or reafﬁrmation. When a document is more than ﬁve years old and has not been reafﬁrmed, it is reasonable to conclude that its contents, although still of some value, do not wholly reﬂect the present state of the art. Users are cautioned to check to determine that they have the latest edition of any IEEE Standard. Comments for revision of IEEE Standards are welcome from any interested party, regardless of membership afﬁliation with IEEE. Suggestions for changes in docu- ments should be in the form of a proposed change of text, together with appropriate supporting comments. Interpretations: Occasionally questions may arise regarding the meaning of portions of standards as they relate to speciﬁc applications. When the need for interpretations is brought to the attention of IEEE, the Institute will initiate action to prepare appro- priate responses. Since IEEE Standards represent a consensus of all concerned inter- ests, it is important to ensure that any interpretation has also received the concurrence of a balance of interests. For this reason IEEE and the members of its technical com- mittees are not able to provide an instant response to interpretation requests except in those cases where the matter has previously received formal consideration. Comments on standards and requests for interpretations should be addressed to: Secretary, IEEE Standards Board 445 Hoes Lane P.O. Box 1331 Piscataway, NJ 08855-1331 USA IEEE Standards documents may involve the use of patented technology. Their approval by the Institute of Electrical and Electronics Engineers does not mean that using such technology for the purpose of conforming to such standards is authorized by the patent owner. It is the obligation of the user of such technology to obtain all necessary permissions. iv

Foreword to ANSI/IEEE Std 802.1B, 1995 Edition (This foreword is not a part of ANSI/IEEE Std 802.1B, 1995 Edition.) This standard is part of a family of standards for local and metropolitan area networks. The relationship between the standard and other members of the family is shown below. (The numbers in the ﬁgure refer to IEEE standard numbers.) I Y T R U C E S 0 1 2 0 8 . I * E R U T C E T H C R A & W E V R E V O 2 0 8 I T N E M E G A N A M 1 . 2 0 8 . 802.2 LOGICAL LINK CONTROL 802.1 BRIDGING DATA LINK LAYER 802.3 MEDIUM ACCESS 802.4 MEDIUM ACCESS 802.5 MEDIUM ACCESS 802.6 MEDIUM ACCESS 802.9 MEDIUM ACCESS 802.11 MEDIUM ACCESS 802.12 MEDIUM ACCESS 802.3 PHYSICAL 802.4 PHYSICAL 802.5 PHYSICAL 802.6 PHYSICAL 802.9 PHYSICAL 802.11 PHYSICAL 802.12 PHYSICAL PHYSICAL LAYER * Formerly IEEE Std 802.1A. This family of standards deals with the Physical and Data Link layers as deﬁned by the International Organi- zation for Standardization (ISO) Open Systems Interconnection Basic Reference Model (ISO 7498 : 1984). The access standards deﬁne several types of medium access technologies and associated physical media, each appropriate for particular applications or system objectives. Other types are under investigation. The standards deﬁning the technologies noted above are as follows: 1 • IEEE Std 802 : • ANSI/IEEE Std 802.1B [ISO/IEC 15802-2]: • ANSI/IEEE Std 802.1D [ISO/IEC 10038]: • ANSI/IEEE Std 802.1E [ISO/IEC 15802-4]: Overview and Architecture. This standard provides an over- view to the family of IEEE 802 Standards. This document forms part of the 802.1 scope of work. LAN/MAN Management. Deﬁnes an Open Systems Interconnection (OSI) management-compatible architecture, and services and protocol elements for use in a LAN/MAN environment for performing remote management. MAC Bridging. Speciﬁes an architecture and protocol for the interconnection of IEEE 802 LANs below the MAC service boundary. System Load Protocol. Speciﬁes a set of services and protocol for those aspects of management concerned with the loading of systems on IEEE 802 LANs. 1 The 802 Architecture and Overview standard, originally known as IEEE Std 802.1A, has been renumbered as IEEE Std 802. This has been done to accommodate recognition of the base standard in a family of standards. References to IEEE Std 802.1A should be consid- ered as references to IEEE Std 802. v

• ANSI/IEEE Std 802.2 [ISO/IEC 8802-2]: Logical Link Control • ANSI/IEEE Std 802.3 [ISO/IEC 8802-3]: CSMA/CD Access Method and Physical Layer Speciﬁcations • ANSI/IEEE Std 802.4 [ISO/IEC 8802-4]: Token Bus Access Method and Physical Layer Speciﬁcations • ANSI/IEEE Std 802.5 [ISO/IEC 8802-5]: Token Ring Access Method and Physical Layer Speciﬁcations • ANSI/IEEE Std 802.6 [ISO/IEC 8802-6]: Distributed Queue Dual Bus Access Method and Physical Layer Speciﬁcations • IEEE Std 802.9: • IEEE Std 802.10: Integrated Services (IS) LAN Interface at the Medium Access Control (MAC) and Physical (PHY) Layers Interoperable LAN/MAN Security, Secure Data Exchange (SDE) Currently approved: In addition to the family of standards, the following is a recommended practice for a common Physical Layer technology: • IEEE Std 802.7: IEEE Recommended Practice for Broadband Local Area Networks The following additional working groups have authorized standards projects under development: • IEEE 802.11: Wireless LAN Medium Access Control (MAC) Sublayer and Physical Layer Speciﬁcations • IEEE 802.12: Demand Priority Access Method/Physical Layer Speciﬁcations Conformance test methodology An additional standards series, identiﬁed by the number 1802, has been established to identify the conformance test methodology documents for the 802 family of standards. Thus the conformance test documents for 802.3 are numbered 1802.3, the conformance test documents for 802.5 will be 1802.5, and so on. Similarly, ISO will use 18802 to number conformance test standards for 8802 standards. ANSI/IEEE Std 15802-2 : 1995 Edition This document deﬁnes services and protocol elements that permit the exchange of management information between stations attached to IEEE 802 local and metropolitan area networks. The standard includes the spec- iﬁcation of managed objects that permit the operation of the protocol elements to be remotely managed. The reader of this standard is urged to become familiar with the complete family of standards. vi

This standard contains state-of-the-art material. The area covered by this standard is undergoing evolution. Revisions are anticipated within the next few years to clarify existing material, to correct possible errors, and to incorporate new related material. Information on the current revision state of this and other IEEE 802 standards may be obtained from Secretary, IEEE Standards Board 445 Hoes Lane P.O. Box 1331 Piscataway, NJ 08855-1331 USA IEEE 802 committee working documents are available from IEEE Document Distribution Service AlphaGraphics #35 10201 N. 35th Avenue Phoenix, AZ 85051 USA Attn: P. Thrush vii

Participants The following is a list of participants in the Network Management effort of the IEEE Project 802 Working Group at the time of 802.1B’s approval. Voting members at the time of publication are marked with an aster- isk (*). Those who were participants at the time of 802.1k’s approval are marked with a dagger (†). Tony Jeffree, William P. Lidinsky, Chair, Network Management Task Group*† Chair*† Fumio Akashi Paul D. Amer Charles Arnold Naharaj Arunkumar Floyd Backes*† Ann Ballard Richard Bantel Robert Barrett*† David Bartolini Sy Bederman Amatzia Ben-Artzi† Anthony Berent† Orna Berry*† Robert Bledsoe Kwame Boakye Laura Bridge*† Brian Brown† Juan Bulnes Fred Burg Peter Carbone Alan Chambers*† Ken Chapman Alice Chen Michael Chernick Jade Chien Steve Cooper*† Jim Corrigan Paul Cowell*† Mike Coy† Andy Davis*† Peter Dawe Stan Degen Frank Deignan Desh Deshpande Ron Dhondy Mike Dickerson Kurt Dobbins Eiji Doi Barbara J. Don Carlos David Dyer-Bennet Walter Eldon Eldon D. Feist Len Fishler*† Kevin Flanagan Bill Futral*† Lionel Geretz*† Richard Gilbert*† Harry Gold† Pat Gonia Kathy de Graaf Rich Graham Michael A. Gravel Andrew Green† Sharam Hakimi*† Jeanne Haney† Mogens Hansen Harold Harrington John Hart*† Mike Harvey† Bob Herbst Long Huang† Jack R. Hung Thomas Hytry Jay Israel Jan-Olof Jemnemo*† Albert Juandy† George Kajos† Ram Kedlaya Hal Keen*† Alan Kirby Kimberly Kirkpatrick Steve Kleiman Yoav Kluger† James Kristof† Hans Lackner*† H. Eugene Latham Choon Lee† Chao-yu Liang Bing Liao George Lin*† Mike Lumpkin Andy Luque Phil Magnuson Joseph E. Massery† Bruce McClure Tom McGowan Margaret A. Merrick Jim Montrose Jerry O’Keefe Alan Oppenheimer*† Richard Patti*† Dave T. Perkins† Roger Pﬁster Thomas L. Phinney Clive Philbrick John Pickens* David Piscitello Daniel Pitt Vencat Prasad*† Ronald Presti† Ron L. G. Prince Maurice Qureshi† Nigel Ramsden Rich Rehberg Jim Reinstedler Trudy Reusser Eduard Rocher Paul Rosenblum*† Paul Ruocchio*† Tom Rutt*† John Salter Alan Sarsby Susan Schanning Mick Seaman*† Gerry Segal*† Rich Seifert*† Steve Senum*† Himanshu Shah*† Howard Sherry Wu-Shi Shung W. Earl Smith*† Mike Soha Dan Stokesberry Lennart Swartz Kenta Takumi Elysia Chiaw-Meng Tan Robin Tasker*† Angus Telfer Dave Thompson Geoff Thompson† Nathan Tobol Wendell Turner Peter Videcrantz*† Donald G. Vincent† Paul Wainright Trevor Warwick† Scott Wasson Bob Watson Richard Watson* Daniel Watts Alan Weissberger Deborah Wilbert Bert Williams† Jerry A. Wyatt† Amnon Yacoby*† Igor Zhovnirovsky Carolyn Zimmer*† Nick Zucchero Additional participants in the development of 802.1k included the following: Sai Boeker Mike Dickerson Bonnie B. Hromis Brian J. Phillips viii

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